PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/11-22:42:50 G08 298.0 21.6 8.9 +/- 1.51 18.8 +/- 1.51 0.040 / 0.070 G10 8.1 62.7 6.9 +/- 0.89 7.7 +/- 0.89 0.050 / 0.080 G14 227.6 42.7 9.4 +/- 1.85 13.1 +/- 1.85 0.090 / 0.120 G20 64.3 52.3 8.5 +/- 1.21 10.4 +/- 1.21 0.090 / 0.130 G21 146.1 42.9 10.5 +/- 1.24 14.6 +/- 1.24 0.040 / 0.020 G24 58.6 26.9 7.8 +/- 1.61 14.7 +/- 1.61 0.040 / 0.030 G27 256.3 32.9 9.1 +/- 2.46 15.1 +/- 2.46 0.050 / 0.100 G32 242.3 67.0 8.6 +/- 0.71 9.2 +/- 0.71 0.090 / 0.110